| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:03.50 | UCSC Fall Start Up | 2025-10-18 |
| 100m Breaststroke | 1:16.84 | Winter Quali 2025 | 2025-12-17 |
| 100m Breaststroke | 1:09.71 | UCSC Grand Prix | 2026-01-30 |
| 100m Butterfly | 1:03.64 | Western Transmountain Festival III | 2026-02-20 |
| 100m Butterfly | 1:00.79 | VPSC Winter Invitational 2025 | 2025-12-05 |
| 100m Freestyle | 55.85 | Western Transmountain Festival III | 2026-02-20 |
| 100m Freestyle | 53.89 | VPSC Winter Invitational 2025 | 2025-12-05 |
| 200m Freestyle | 1:59.90 | Dino Invitational 2025 | 2025-10-31 |
| 200m IM | 2:22.38 | Western Transmountain Festival III | 2026-02-20 |
| 200m IM | 2:15.81 | Dino Invitational 2025 | 2025-10-31 |
| 400m Freestyle | 4:17.13 | VPSC Winter Invitational 2025 | 2025-12-05 |
| 50m Backstroke | 31.56 | Winter Quali 2025 | 2025-12-17 |
| 50m Backstroke | 28.83 | UCSC TC1-Special | 2025-10-17 |
| 50m Breaststroke | 31.26 | VPSC Winter Invitational 2025 | 2025-12-05 |
| 50m Butterfly | 28.01 | Western Transmountain Festival III | 2026-02-20 |
| 50m Butterfly | 27.48 | UCSC Grand Prix | 2026-01-30 |
| 50m Freestyle | 25.87 | Western Transmountain Festival III | 2026-02-20 |
| 50m Freestyle | 24.87 | VPSC Winter Invitational 2025 | 2025-12-05 |
| 800m Freestyle | 9:42.27 | UCSC Grand Prix | 2026-01-30 |
Yang, Yikai's top personal bests include 100m Backstroke (1:03.50), 100m Breaststroke (1:16.84), 100m Breaststroke (1:09.71), 100m Butterfly (1:03.64), 100m Butterfly (1:00.79).
Yang, Yikai swims for Calgary Swimming.
Yang, Yikai has competed in 7 meets.